New Testament Law

Matthew 28:19-20

Matthew 28:19 Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: 28:20 Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen. [KJV]

Jesus commanded Christians to teach everybody in the world about Him, bapitizing people, and teaching everybody to do the things that Jesus commanded.